KaiAI tutor for anyone

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Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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Dev Platform
Agents
Voice
Video
Audio
Research
Coding
Chatbots
Image
Meetings
Design
Productivity
Writing
Data
Marketing
Education
Kling
A
Duolingo Max
A
GitHub Copilot
B
Figma AI
A
TaglineKuaishou's video model. The surprise standout.Duolingo + AI. Explain My Answer + Roleplay features.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.AI features baked into the design tool you already use.
CategoryVideoEducationCodingDesign
PricingCredit-based, free trial$30/mo (or ~$168/yr)Free (limited) + $10/mo Pro + $19/mo BusinessIncluded with Figma plans
Best forAnyone who wants top-tier video quality for less.Language learners who've outgrown basic Duolingo.Teams with GitHub already. Devs who don't want to change IDEs.Designers already on Figma.
Strengths
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
  • Explain My Answer = personal tutor for every mistake
  • Roleplay = real conversation practice
  • Gamification that actually sticks
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • First drafts with Make Designs
  • Rename/rearrange layers automatically
  • Natural language asset search
Weaknesses
  • UX is rough for English speakers
  • Queue times
  • Pricey vs free Duolingo
  • Conversation AI still stiff sometimes
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Features vary by plan + region
  • Still rolling out
Kai's verdictA-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.A-tier. If you already love Duolingo, worth it. If starting fresh, try ChatGPT Voice instead.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier. No reason not to use it if you're on Figma. Not worth switching for.
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